Machining efficiency of nickel-titanium K-type files in a linear motion

被引：12

作者：

Camps, JJ ^{[1
]}

Pertot, WJ ^{[1
]}

机构：

[1] FAC DENT MARSEILLE,DEPT RESTORAT DENT & ENDODONT,MARSEILLE,FRANCE

来源：

INTERNATIONAL ENDODONTIC JOURNAL | 1995年 / 28卷 / 06期

关键词：

efficiency; endodontic file; nickel; titanium;

D O I：

10.1111/j.1365-2591.1995.tb00316.x

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

The purpose of this study was to compare, in vitro, the machining efficiency of four brands of nickel-titanium files and two brands of stainless steel K-type files. Instruments sizes 15 to 40 were tested in a linear motion simulating the clinical motion used to remove a file from the canal. The tips of the loaded files were in contact with a resin block. The load applied increased with file size. An indentation varnish caliper was used to measure the depth of the groove after 100 back-and-forward motions. The stainless steel instruments with a triangular cross-section were more efficient than the stainless steel instruments with a square cross-section. There was a significant discrepancy between the machining ability of the nickel-titanium K files. The Maillefer instruments were the most efficient.

引用

页码：279 / 284

页数：6

共 33 条

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